Home / 754,300.64-1,040,847.62-431,991.51

Finding the Fourth Proportional to 754,300.64, 1,040,847.62 and 431,991.51

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Solution

The fourth proportional to 754,300.64, 1,040,847.62 and 431,991.51 is: 596,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,300.64 : 1,040,847.62 = 431,991.51 : x
  2. Step 2: Convert to fraction form
    754,300.64/1,040,847.62 = 431,991.51/x
  3. Step 3: Cross multiply
    754,300.64x = 1,040,847.62 × 431,991.51
  4. Step 4: Simplify right side
    754,300.64x = 449,637,332,883.75
  5. Step 5: Solve for x
    x = 449,637,332,883.75/754,300.64
  6. Step 6: Final answer
    x = 596,098.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.